Finding the Fourth Proportional to 87,997,294.76, 121,434,439.62 and 48,836,797.16
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Solution
The fourth proportional to 87,997,294.76, 121,434,439.62 and 48,836,797.16 is: 67,393,766.05
Step by Step Solution
- Step 1: Write the proportion equation
87,997,294.76 : 121,434,439.62 = 48,836,797.16 : x - Step 2: Convert to fraction form
87,997,294.76/121,434,439.62 = 48,836,797.16/x - Step 3: Cross multiply
87,997,294.76x = 121,434,439.62 × 48,836,797.16 - Step 4: Simplify right side
87,997,294.76x = 5,930,469,095,960,207 - Step 5: Solve for x
x = 5,930,469,095,960,207/87,997,294.76 - Step 6: Final answer
x = 67,393,766.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.